Geisinger Medical Laboratories/Geisinger Proven Diagnostics Test Catalog

Order Display Name: Geisinger Epic Procedure Code Or ID CPT Code:  

OXALATE, SERUM/PLASMA

ORDERING INFORMATION:
Geisinger Epic Procedure Code: LAB4222         Geisinger Epic ID: 176170

SPECIMEN COLLECTION
Specimen type:
Serum or plasma
Preferred collection container:
Alternate Collection Container:
4 mL green/green-top (sodium heparin) tube
3 mL lavender-top (K2 EDTA) tube
Specimen required:
2 mL serum or plasma, minimum 0.7 mL

SPECIMEN PROCESSING
Specimen processing instructions:
Centrifuge, aliquot, and freeze immediately. 
Transport temperature:
Frozen.
Specimen stability:
Room temperature: Unacceptable. Refrigerated: 24 hours. Frozen: 30 days.
Rejection criteria:
Received room temperature • Received refrigerated • Sodium fluoride/potassium oxalate (gray-top) tube • Serum Separator Tube (SST) • Polymer gel separation tube (PST)

TEST DETAILS
CPT code(s):
83945
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.  The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.
Methodology:
Enzymatic Assay (AZA)
Synonyms:
Quest code 5390
Clinical significance:
Overexposure/Poisoning Determination; Biomarker

Performing Locations

Quest Diagnostics

Technical Lead: Michael Weaver    
Frequency: Set up: As needed. Report available: 5 days.    
Performed STAT? No
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